Stablecoin funds flow exposed in ISIS case: Indonesian court’s on-chain evidence could convict for terrorist financing

Gate News: In 2024 and 2025, the Indonesian court convicted three individuals suspected of financing terrorism, with on-chain cryptocurrency transaction records becoming the core evidence in the prosecution. Investigations show that the defendants collected and transferred funds via cryptocurrency, transferring Tether (USDT) worth more than 49,000 dollars to platforms overseas, which ultimately funneled the funds to fundraising activities linked to ISIS within Syria.

The Indonesian financial intelligence unit PPATK and the elite counterterrorism police unit Densus 88 cooperated to track wallet addresses and transaction flows, confirming the source and destination of the funds. TRM Labs noted that this case demonstrates that blockchain evidence is not only admissible, but also plays a key role in terrorism-financing lawsuits.

Other countries in Southeast Asia are also strengthening their blockchain intelligence capabilities. Singapore, Malaysia, and others are investing in cryptocurrency monitoring technologies to address the risk that terrorist organizations use cryptocurrency to evade traditional financial regulatory oversight. TRM Labs’ report shows that in 2025, the total amount of stablecoins received by illegal entities was approximately 141 billion dollars, with 86% involving sanctions-evasion activities, reaching a five-year high.

Indonesia’s judicial convictions indicate that the window for secretly financing terrorism with cryptocurrency is gradually closing. As courts adopt on-chain data as evidence, the flow of funds used by terrorist organizations faces stricter scrutiny. In addition, Cambodia and China have recently taken action against cross-border crypto scams and money laundering cases, including the arrest of HSBC Group’s former chairman Li Xiong and his extradition back to his home country.

This trend shows that blockchain transparency is reshaping the law-enforcement landscape for counterterrorism and financial crime across Southeast Asia. Although cryptocurrency transactions are decentralized, amid technology upgrades by regulators and judicial authorities, the advantages of anonymity and the ability to evade risk are weakening. Going forward, the use of cryptocurrency in cross-border financial security and counterterrorism investigations will become even more critical.